U.S. Department of Energy. Solar heating and cooling demonstration: Project summaries, May 1978. Solar Energy Information Services.
Παραπομπή σε μορφή Chicago (17η εκδ.)U.S. Department of Energy. Solar Heating and Cooling Demonstration: Project Summaries, May 1978. San Mateo: Solar Energy Information Services.
Παραπομπή σε μορφή MLA (8th εκδ.)U.S. Department of Energy. Solar Heating and Cooling Demonstration: Project Summaries, May 1978. Solar Energy Information Services.
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